Playground structure



FIG. 1 is a perspective view of a playground structure showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side view thereof that is a mirror image of the right side thereof; and,

FIG. 4 is a front elevation view thereof that is a mirror image of the rear elevation view thereof.

The bottom is plane and unornamented. 

The ornamental design for playground structure, as shown and described. 